(adj) harsh or corrosive in tone; "an acerbic tonepiercingotherwiseflowery prose"; "a barrage of acid comments"; "her acrid remarks make her many enemies"; "bitter words"; "blistering criticism"; "caustic jokes aboutpolitical assassination, talk-show hosts and medical ethics"; "a sulfurous denunciation"; "a vitriolic critique"
hot enough to raise (or as if to raise) blisters; "blistering sun"